Some readers may have observed the usage of heavier, SPT-2 cordage in portable lighting fixtures and scenery pieces. Due to the replacement of the more flexible SPT-1 wire, the conventional approach of tying a "UL Knot" is difficult to achieve. Heyco has developed the In-Line Strain-Relief Bushing to provide maximum safety, UL-compliance, and protection against 35lb. of pulling force - thereby preventing damage to internal wiring and electrical connections. The bushing is molded of 6/6 nylon ...

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